replaced hash in test_legends2 and corrected pylint error

Author: danielhkl

matplotlib2tikz/legend.py

@@ -207,7 +207,7 @@ def draw_legend(data, obj):
                                                             handle.get_color())
             data['legend colors'].append('\\addlegendimage{no markers, %s}\n'
                                         % legend_color)
-        except(AttributeError):
+        except AttributeError:
             data['legend colors'] = []
 
     # Write styles to data

test/test_legends2.py

@@ -32,5 +32,5 @@ def plot():
 
 def test():
     phash = helpers.Phash(plot())
-    assert phash.phash == '7b447a5a62d4852f', phash.get_details()
+    assert phash.phash == '7b447a5262d4952f', phash.get_details()
     return